Socket state: Output of lsfd

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Hi, I've found that if I run something like :

ping -4 127.0.0.1
ping6 ::1



and then open another terminal and run using pid of those processes:

sudo lsfd  -i -p  148253,148121  -o +FD,SOCK.STATE
COMMAND    PID   USER ASSOC  XMODE   TYPE SOURCE MNTID   INODE NAME                            FD SOCK.STATE
ping    148121 sergio     3 rw----   PING sockfs     9 1503460 state=close id=30 laddr=0.0.0.0  3      close
ping6   148253 sergio     3 rw---- PINGv6 sockfs     9 1501004 state=close id=31 laddr=::       3      close

I wonder if the "state=close" is the expected behavior or if is an error, I even run that command with watch -n 0.1 and always appears as "close".

Thanks in advance
--
--
Sergio Belkin
LPIC-2 Certified - http://www.lpi.org
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